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Roblox Networking & Replication
Development
Implements optimized networking and replication systems including RemoteEvent optimization, delta compression, lag compensation and client prediction for smooth multiplayer games.
Solana Dependency & Compatibility Resolution
Development
Diagnoses and resolves Solana development environment dependency mismatches, including version conflicts between Anchor, Solana CLI, Rust, and platform tools. Ideal when encountering build errors (cargo build-sbf/bpf), GLIBC errors, or during version upgrades and environment setup.
PR Review
Development
Reviews code changes before merging with focus on quality, security, and consistency. Lets you select the review scope (staged, unstaged, branch vs main) and automatically runs security and quality scanners based on the detected stack (Node.js, Python, Docker, Terraform, etc.). Best used for pull request reviews, pre-commit validation, or merge readiness checks.
Mobile Offline Support
Development
Implements offline-first capabilities for mobile apps using local storage (AsyncStorage, Realm, SQLite). Supports background data synchronization, conflict resolution, and queuing actions when offline. Ideal for building responsive apps that work reliably without constant internet connectivity.
Astro Design (Islands & HTML-First)
Development
Skill for designing, implementing, and reviewing Astro projects with an HTML-first, Islands-based, JavaScript-minimizing approach. Used when a repository's doc/input/rdd.md includes '技術スタック Astro', or when the user asks about Astro, Islands, SSG, SSR, or performance optimization.
gRPC Protocol Implementation & Optimization
Development
Expert skill for gRPC protocol implementation, stub generation, and performance optimization. Covers debugging, bidirectional streaming, and gRPC-Web configuration.
Generate AI Prototypes
Development
Creates structured prompts for AI prototyping tools (v0.dev, Lovable, Bolt.new) to convert PRDs or feature specs into working prototypes quickly. Choose the tool based on project needs: UI-only, full-stack, or quick demo. Helps accelerate design validation and stakeholder demos by generating copy-paste-ready prompts.
React Email - Responsive Email Templates
Development
Build responsive, cross-client email templates with React Email components. Use for transactional emails that render correctly in Gmail, Outlook, Apple Mail, and mobile clients. The library compiles React components to inline-styled, table-based HTML compatible with major email clients.
Performance Engineer
Development
Performance optimization specialist for applications. Identify bottlenecks and implement efficiency improvements across all layers.
Vercel SDK Patterns
Development
Implement production-ready Vercel SDK patterns for TypeScript and Python. Covers Vercel integrations, robust error handling, and best practices with type-safe clients and automatic retries.
In-App Purchase Validation
Development
Skill for implementing and validating in-app purchase systems. Handles receipt validation and payment integration.
List Installed MCP Servers
Development
Lists all installed MCP servers along with their scope (user/project) and status. Use this to quickly see which MCP servers are available and their current state. It only displays information, it does not add or remove any servers.